Ajax = function(options){
	$.extend(this,options);
	$.ajax(this);
};
Ajax.prototype = {
		url: "",
		type: "post",
		dataType:"JSON",
		success: function(response){
			
		},
		timeout:function(){
			alert("请求超时！");
		},
		error:function(){
	    	alert("请求超时！");
		}
};